feat(git/cmd): improved completion for :G

test/git/cmd_test.lua

@@ -97,3 +97,35 @@ end)
 t.test("parse_args expands leading ~/ to home", function()
     t.eq(cmd.parse_args("add ~/foo"), { "add", vim.fn.expand("~/foo") })
 end)
+
+t.test("parse_complete_state with trailing space", function()
+    local s = cmd._parse_complete_state("G push origin ")
+    t.eq(s.prior, { "push", "origin" })
+    t.falsy(s.after_separator)
+end)
+
+t.test("parse_complete_state mid-token", function()
+    local s = cmd._parse_complete_state("G push or")
+    t.eq(s.prior, { "push" })
+    t.falsy(s.after_separator)
+end)
+
+t.test("parse_complete_state empty after command", function()
+    local s = cmd._parse_complete_state("G ")
+    t.eq(s.prior, {})
+    t.falsy(s.after_separator)
+end)
+
+t.test("parse_complete_state detects -- separator", function()
+    local s = cmd._parse_complete_state("G log -- foo")
+    t.eq(s.prior, { "log", "--" })
+    t.truthy(s.after_separator)
+end)
+
+t.test("positional_index ignores flags", function()
+    t.eq(cmd._positional_index({ "push" }), 1)
+    t.eq(cmd._positional_index({ "push", "origin" }), 2)
+    t.eq(cmd._positional_index({ "push", "--force" }), 1)
+    t.eq(cmd._positional_index({ "push", "--force", "origin" }), 2)
+    t.eq(cmd._positional_index({ "checkout", "-b", "feature" }), 2)
+end)